GSD-2020-12118

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.
Aliases
Aliases
CVE-2020-12118
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-12118",
    "description": "The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.",
    "id": "GSD-2020-12118"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-12118"
      ],
      "details": "The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.",
      "id": "GSD-2020-12118",
      "modified": "2023-12-13T01:21:48.892672Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-12118",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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          }
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                "value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/binance-chain/tss-lib/pull/89",
            "refsource": "MISC",
            "url": "https://github.com/binance-chain/tss-lib/pull/89"
          },
          {
            "name": "https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0",
            "refsource": "MISC",
            "url": "https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.2.0",
          "affected_versions": "All versions before 1.2.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-276",
            "CWE-937"
          ],
          "date": "2021-06-29",
          "description": "The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.",
          "fixed_versions": [
            "1.2.0"
          ],
          "identifier": "CVE-2020-12118",
          "identifiers": [
            "GHSA-399h-cmvp-qgx5",
            "CVE-2020-12118"
          ],
          "not_impacted": "All versions starting from 1.2.0",
          "package_slug": "go/github.com/binance-chain/tss-lib/ecdsa/keygen",
          "pubdate": "2021-06-29",
          "solution": "Upgrade to version 1.2.0 or above.",
          "title": "Incorrect Default Permissions",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-12118",
            "https://github.com/binance-chain/tss-lib/pull/89",
            "https://github.com/binance-chain/tss-lib/pull/89/commits/7b7c17e90504d5dad94b938e84fec690bb1ec311",
            "https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0",
            "https://github.com/advisories/GHSA-399h-cmvp-qgx5"
          ],
          "uuid": "9d8c908e-884e-449f-b54f-86e52d539a0f"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:binance:tss-lib:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.2.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2020-12118"
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        "description": {
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              "lang": "en",
              "value": "The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-276"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0"
            },
            {
              "name": "https://github.com/binance-chain/tss-lib/pull/89",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/binance-chain/tss-lib/pull/89"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2
        }
      },
      "lastModifiedDate": "2020-05-01T16:17Z",
      "publishedDate": "2020-04-23T22:15Z"
    }
  }
}


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